OpenAI San Francisco, CA, USA 1000 Artificial Intelligence 2015-12-11 Yandex Moscow, Russia 10000 Search Engine, Online Services 1997-09-23 Google Mountain View, CA, USA 135000 Search Engine, Advertising, Cloud Computing 1998-09-04 Microsoft Redmond, WA, USA 221000 Software, Cloud Services 1975-04-04 Amazon Seattle, WA, USA 1540000 E-commerce, Cloud Computing 1994-07-05 Apple Cupertino, CA, USA 164000 Consumer Electronics, Software 1976-04-01 IBM Armonk, NY, USA 282100 IT Services, Hardware, Software 1911-06-16 Meta (Facebook) Menlo Park, CA, USA 66000 Social Media, Virtual Reality 2004-02-04 Twitter (X) San Francisco, CA, USA 7500 Social Media 2006-03-21 Alibaba Hangzhou, China 251462 E-commerce, Technology 1999-06-28